Fast ion conduction in nanodimensional lithium silicate glasses

Chatterjee, Soumi ; Maiti, Ramaprasad ; Saha, Shyamal Kumar ; Chakravorty, Dipankar (2016) Fast ion conduction in nanodimensional lithium silicate glasses The Journal of Physical Chemistry C, 120 (1). pp. 431-436. ISSN 1932-7447

Full text not available from this repository.

Official URL:

Related URL:


Nanodimensional glass of composition 35Li2O·65SiO2 was grown within the nanochannels of diameter 5.5 nm of mesoporous silica SBA-15 by suitable heat treatment of the required precursor sols. A dc electrical conductivity of 10–4 S·cm–1 was measured for the nanoglass at room temperature. This also shows a low activation energy of 0.1 eV for the lithium ion migration. This has been explained as arising due to oxygen ion vacancies caused by the presence of Si2+ and Si4+ species in the mesoporous silica at its interface with the nanoglass. This causes a repulsive interaction between the defects and the lithium ions, thereby reducing the attractive electrostatic force between the nonbridging oxygen ions and the lithium ions. These nanocomposites will be suitable for applications in lithium-ion batteries for storage of renewable energy.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:99361
Deposited On:06 Apr 2016 04:33
Last Modified:06 Apr 2016 04:33

Repository Staff Only: item control page